Size Guide – Trail Tees

Bamboo hangs and feels a little like a cross between silk and cashmere, with a great deal of natural stretch. Our shirts are less baggy and more athletically cut than your run-of-the-mill cotton t-shirt, so if you’re also ‘athletically cut’ you can probably go for a size lower than usual. If you like things baggy then err on the side of bigness, but if you want to use the shirt as a base layer (for which they excel) then go a size down.

Sizing chart for Whackjob bamboo men's tees

Trail Tees Size Guide
S M L XL
Chest Size 36-38″ 38-40″ 40-42″ 42-44″

92-97cm

97-102cm

102-107cm

107-112cm

Size Guide – Women’s Tees

We use two different designs for our women's tees, one with a full sleeve, the other with a cap sleeve.

Full Sleeve

Sizing chart for Whackjob bamboo women's tees

Cap Sleeve

Size Guide – Hoodies

While Whackjob hoodies may be different in many ways, they’re pretty much standard when it comes to sizing.   However, for those wanting to be extra sure, here’s the detailed information.

Whackjob Hoodie Sizing

Size Guide – Jerseys

Our Jerseys are cut around one size larger than the Trail Tees, to cater for the general preference among mountain bikers for a baggier feel. The Large and X-Large jerseys also have larger diameter sleeves to fit over body armour.

The main thing to remember is that if you don’t like the fit, we have a no-hassle exchange policy!

S M L XL
 A (Drop) 31.5” 32″ 33″ 34″

80cm

82cm

84cm

86cm

 B (Chest Width)

21.3”

22.4″

23.2″

24.4″

54cm

57cm

59cm

62cm